[DataTable]: Added support of column groups in table header

[AlekseyManetov]

Description:

Issue link: #2634

QA notes:

Need to re-test table layout, especially borders rendering.

[github-actions]

Generated by: track-bundle-size
Generated at: Tue, 26 Nov 2024 16:59:34 GMT
Bundle size diff (in kBytes). Not gzipped. Both CSS & JS included.
Baseline: v5.11.0 (2024-11-22)
CI Status: ok

Module	Baseline Size (v5.11.0)	Size	Diff	Within Threshold	Threshold (min - max)
templateApp	767.47	772.46	+4.99 js:+0.55 css:+4.44	🆗	690.72 - 844.21
@epam/app	5631.71	5647.15	+15.44 js:+10.43 css:+5.01	🆗	5068.53 - 6194.88
@epam/draft-rte	53.78	53.78	0 js:0 css:0	🆗	48.41 - 59.17
@epam/electric	4.58	4.58	0 js:0 css:0	🆗	4.12 - 5.04
@epam/promo	55.24	55.24	0 js:0 css:0	🆗	49.71 - 60.76
@epam/uui-extra	0.21	0.21	0 js:0 css:0	🆗	0.19 - 0.23
@epam/loveship	91.19	91.19	0 js:0 css:0	🆗	82.07 - 100.31
@epam/uui-components	264.19	268.46	+4.26 js:+4.11 css:+0.16	🆗	237.77 - 290.61
@epam/uui-core	338.13	338.48	+0.35 js:+0.35 css:0	🆗	304.32 - 371.94
@epam/uui-db	44.7	44.7	0 js:0 css:0	🆗	40.23 - 49.17
@epam/uui-docs	176.28	176.28	0 js:0 css:0	🆗	158.65 - 193.91
@epam/uui-editor	184.43	184.24	-0.19 js:-0.19 css:0	🆗	165.98 - 202.87
@epam/uui-timeline	80.98	82.08	+1.1 js:+1.16 css:-0.05	🆗	72.88 - 89.08
@epam/uui	611.83	623.29	+11.46 js:+6.35 css:+5.11	🆗	550.64 - 673.01

new sizes (raw)

To set the sizes as a new baseline, you can copy/paste next content to the uui-build/config/bundleSizeBaseLine.json and commit the file.

{
  "version": "5.11.0",
  "timestamp": "2024-11-26",
  "sizes": {
    "templateApp": {
      "css": 307670,
      "js": 483327
    },
    "@epam/app": {
      "css": 736489,
      "js": 5046186
    },
    "@epam/draft-rte": {
      "css": 9782,
      "js": 45296
    },
    "@epam/electric": {
      "css": 2275,
      "js": 2416
    },
    "@epam/promo": {
      "css": 47140,
      "js": 9424
    },
    "@epam/uui-extra": {
      "css": 0,
      "js": 213
    },
    "@epam/loveship": {
      "css": 53117,
      "js": 40262
    },
    "@epam/uui-components": {
      "css": 22670,
      "js": 252229
    },
    "@epam/uui-core": {
      "css": 0,
      "js": 346604
    },
    "@epam/uui-db": {
      "css": 0,
      "js": 45769
    },
    "@epam/uui-docs": {
      "css": 2447,
      "js": 178066
    },
    "@epam/uui-editor": {
      "css": 12746,
      "js": 175908
    },
    "@epam/uui-timeline": {
      "css": 2201,
      "js": 81852
    },
    "@epam/uui": {
      "css": 285569,
      "js": 352674
    }
  }
}

---

Generated by: generate-components-api
CI Status: ok

Total amount of exported types/props without JSDoc comments

	Amount
Types	301 (+0) 🆗
Props	233 (+0) 🆗